求双写最后一个字母的过去式单词

如题所述

加--ed

prefer- preferred

whip-whipped

beg-begged

drip-dripped
dot-dotted

drop-dropped
fit-fitted
hug-hugged
plan-planned
pat-patted
rid-ridded
rob-robbed
rebet-rebetted
regret-regretted
stop-stopped
stir-stirred
rub-rubbed

travel-travel(l)ed
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第1个回答  2022-12-31
动词过去规则变化,以重读闭音节结尾且只有一个辅音字母,先双写辅音字母再加ed

stop-stopped 停止
clap -clapped
drop-dropped
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